1 /* 2 * (C) Copyright 2010,2011 3 * NVIDIA Corporation <www.nvidia.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <asm/io.h> 10 #include <asm/arch/tegra.h> 11 #include <asm/arch-tegra/board.h> 12 #include <asm/arch/clock.h> 13 #include <asm/arch/funcmux.h> 14 #include <asm/arch/gpio.h> 15 #include <asm/arch/pinmux.h> 16 #include <asm/gpio.h> 17 18 /* TODO: Remove this code when the SPI switch is working */ 19 #if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA) 20 void gpio_early_init_uart(void) 21 { 22 /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ 23 #ifndef CONFIG_SPL_BUILD 24 gpio_request(GPIO_PI3, NULL); 25 #endif 26 tegra_spl_gpio_direction_output(GPIO_PI3, 0); 27 } 28 #endif 29 30 #ifdef CONFIG_TEGRA_MMC 31 /* 32 * Routine: pin_mux_mmc 33 * Description: setup the pin muxes/tristate values for the SDMMC(s) 34 */ 35 void pin_mux_mmc(void) 36 { 37 funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); 38 funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT); 39 40 /* For power GPIO PI6 */ 41 pinmux_tristate_disable(PMUX_PINGRP_ATA); 42 /* For CD GPIO PI5 */ 43 pinmux_tristate_disable(PMUX_PINGRP_ATC); 44 } 45 #endif 46 47 void pin_mux_usb(void) 48 { 49 /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */ 50 pinmux_tristate_disable(PMUX_PINGRP_SLXK); 51 } 52